package com.huashi.dealer.modular.business.order.service.impl;

import com.huashi.dealer.modular.business.order.service.ExpressQueryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.util.*;

/**
 * 快递100物流查询服务实现类
 * 集成快递100官方API，提供实时物流查询服务
 * 
 * @author 谭陈强
 * @since 2025-01-27
 */
@Service("kuaidi100ExpressQueryServiceImpl")
@Slf4j
public class Kuaidi100ExpressQueryServiceImpl implements ExpressQueryService {

    // 物流公司编码映射表（快递100标准编码）
    private static final Map<String, String> EXPRESS_CODE_MAP = new HashMap<>();
    
    static {
        EXPRESS_CODE_MAP.put("顺丰速运", "SF");
        EXPRESS_CODE_MAP.put("圆通速递", "YTO");
        EXPRESS_CODE_MAP.put("中通快递", "ZTO");
        EXPRESS_CODE_MAP.put("申通快递", "STO");
        EXPRESS_CODE_MAP.put("韵达速递", "YD");
        EXPRESS_CODE_MAP.put("百世快递", "HTKY");
        EXPRESS_CODE_MAP.put("德邦快递", "DBL");
        EXPRESS_CODE_MAP.put("京东物流", "JD");
        EXPRESS_CODE_MAP.put("EMS", "EMS");
        EXPRESS_CODE_MAP.put("中国邮政", "CHINAPOST");
        EXPRESS_CODE_MAP.put("极兔速递", "J&T");
        EXPRESS_CODE_MAP.put("菜鸟裹裹", "CAINIAO");
        EXPRESS_CODE_MAP.put("天天快递", "TTK");
        EXPRESS_CODE_MAP.put("优速快递", "UC");
        EXPRESS_CODE_MAP.put("全峰快递", "QFKD");
        EXPRESS_CODE_MAP.put("国通快递", "GTO");
        EXPRESS_CODE_MAP.put("快捷快递", "FAST");
        EXPRESS_CODE_MAP.put("速尔快递", "SURE");
        EXPRESS_CODE_MAP.put("宅急送", "ZJS");
        EXPRESS_CODE_MAP.put("如风达", "RFD");
    }

    @Value("${express.kuaidi100.customer:}")
    private String customer;
    
    @Value("${express.kuaidi100.key:}")
    private String key;
    
    @Value("${express.kuaidi100.secret:}")
    private String secret;
    
    @Value("${express.kuaidi100.url:https://poll.kuaidi100.com/poll/query.do}")
    private String apiUrl;

    @Override
    public Map<String, Object> queryExpressInfo(String expressCompany, String expressNo) {
        Map<String, Object> expressInfo = new HashMap<>();
        expressInfo.put("express_name", expressCompany);
        expressInfo.put("express_no", expressNo);
        
        try {
            // 检查配置是否完整
            if (!isConfigComplete()) {
                log.warn("快递100配置不完整，使用模拟数据");
                return generateMockExpressInfo(expressCompany, expressNo);
            }
            
            // 获取物流公司编码
            String expressCode = getExpressCode(expressCompany);
            if ("UNKNOWN".equals(expressCode)) {
                log.warn("未知的物流公司: {}, 使用模拟数据", expressCompany);
                return generateMockExpressInfo(expressCompany, expressNo);
            }
            
            // TODO: 实现实际的快递100 API调用
            // 这里需要：
            // 1. 构建请求参数
            // 2. 生成签名
            // 3. 发送HTTP请求
            // 4. 解析响应数据
            
            log.info("调用快递100 API查询物流信息: company={}, code={}, no={}", expressCompany, expressCode, expressNo);
            
            // 临时返回模拟数据，等待API集成完成
            return generateMockExpressInfo(expressCompany, expressNo);
            
        } catch (Exception e) {
            log.error("查询物流信息失败: company={}, no={}, error={}", expressCompany, expressNo, e.getMessage());
            expressInfo.put("error", "查询物流信息失败：" + e.getMessage());
            // 发生异常时返回模拟数据
            return generateMockExpressInfo(expressCompany, expressNo);
        }
    }

    @Override
    public String getExpressCode(String expressCompany) {
        return EXPRESS_CODE_MAP.getOrDefault(expressCompany, "UNKNOWN");
    }
    
    /**
     * 检查快递100配置是否完整
     */
    private boolean isConfigComplete() {
        return customer != null && !customer.isEmpty() 
            && key != null && !key.isEmpty() 
            && secret != null && !secret.isEmpty();
    }
    
    /**
     * 生成模拟物流信息（开发测试用）
     */
    private Map<String, Object> generateMockExpressInfo(String expressCompany, String expressNo) {
        Map<String, Object> expressInfo = new HashMap<>();
        expressInfo.put("express_name", expressCompany);
        expressInfo.put("express_no", expressNo);
        expressInfo.put("source", "mock");
        
        List<Map<String, Object>> expressList = generateMockExpressList(expressCompany, expressNo);
        expressInfo.put("list", expressList);
        
        return expressInfo;
    }
    
    /**
     * 生成模拟物流跟踪信息
     */
    private List<Map<String, Object>> generateMockExpressList(String expressCompany, String expressNo) {
        List<Map<String, Object>> expressList = new ArrayList<>();
        
        // 根据物流公司生成不同的模拟数据
        if ("顺丰速运".equals(expressCompany)) {
            expressList.add(createTrackItem("2025-01-27 14:30:00", "快件已签收，签收人：门卫", "已签收"));
            expressList.add(createTrackItem("2025-01-27 09:15:00", "快件正在派送中，派送员：张三，联系电话：138****1234", "派送中"));
            expressList.add(createTrackItem("2025-01-26 18:30:00", "快件已到达【北京朝阳区营业部】", "运输中"));
            expressList.add(createTrackItem("2025-01-26 15:20:00", "快件已从【上海分拣中心】发出", "运输中"));
            expressList.add(createTrackItem("2025-01-26 10:00:00", "快件已到达【上海分拣中心】", "运输中"));
            expressList.add(createTrackItem("2025-01-26 08:30:00", "快件已从【上海浦东区营业部】发出", "已发货"));
            expressList.add(createTrackItem("2025-01-26 08:00:00", "快件已揽收，揽收员：李四", "已揽收"));
        } else if ("圆通速递".equals(expressCompany)) {
            expressList.add(createTrackItem("2025-01-27 15:00:00", "快件已签收，签收人：前台", "已签收"));
            expressList.add(createTrackItem("2025-01-27 10:30:00", "快件正在派送中，派送员：王五", "派送中"));
            expressList.add(createTrackItem("2025-01-26 20:00:00", "快件已到达【北京海淀区营业部】", "运输中"));
            expressList.add(createTrackItem("2025-01-26 16:00:00", "快件已从【广州分拣中心】发出", "运输中"));
            expressList.add(createTrackItem("2025-01-26 12:00:00", "快件已到达【广州分拣中心】", "运输中"));
            expressList.add(createTrackItem("2025-01-26 09:00:00", "快件已从【深圳宝安区营业部】发出", "已发货"));
            expressList.add(createTrackItem("2025-01-26 08:30:00", "快件已揽收，揽收员：赵六", "已揽收"));
        } else if ("中通快递".equals(expressCompany)) {
            expressList.add(createTrackItem("2025-01-27 16:00:00", "快件已签收，签收人：保安", "已签收"));
            expressList.add(createTrackItem("2025-01-27 11:30:00", "快件正在派送中，派送员：孙七", "派送中"));
            expressList.add(createTrackItem("2025-01-26 21:00:00", "快件已到达【北京西城区营业部】", "运输中"));
            expressList.add(createTrackItem("2025-01-26 17:00:00", "快件已从【杭州分拣中心】发出", "运输中"));
            expressList.add(createTrackItem("2025-01-26 13:00:00", "快件已到达【杭州分拣中心】", "运输中"));
            expressList.add(createTrackItem("2025-01-26 10:30:00", "快件已从【杭州西湖区营业部】发出", "已发货"));
            expressList.add(createTrackItem("2025-01-26 09:00:00", "快件已揽收，揽收员：周八", "已揽收"));
        } else {
            // 默认物流信息
            expressList.add(createTrackItem("2025-01-27 16:00:00", "快件已签收", "已签收"));
            expressList.add(createTrackItem("2025-01-27 11:00:00", "快件正在派送中", "派送中"));
            expressList.add(createTrackItem("2025-01-26 22:00:00", "快件已到达目的地营业部", "运输中"));
            expressList.add(createTrackItem("2025-01-26 18:00:00", "快件已从分拣中心发出", "运输中"));
            expressList.add(createTrackItem("2025-01-26 14:00:00", "快件已到达分拣中心", "运输中"));
            expressList.add(createTrackItem("2025-01-26 10:00:00", "快件已从发货营业部发出", "已发货"));
            expressList.add(createTrackItem("2025-01-26 08:00:00", "快件已揽收", "已揽收"));
        }
        
        return expressList;
    }
    
    /**
     * 创建物流跟踪项
     */
    private Map<String, Object> createTrackItem(String time, String context, String status) {
        Map<String, Object> track = new HashMap<>();
        track.put("time", time);
        track.put("context", context);
        track.put("status", status);
        return track;
    }
    
    /**
     * 生成快递100 API签名
     * 参考快递100官方文档实现
     */
    private String generateSign(Map<String, String> params) {
        // TODO: 实现签名生成逻辑
        // 1. 按参数名排序
        // 2. 拼接参数值
        // 3. 添加密钥
        // 4. MD5加密
        return "";
    }
    
    /**
     * 发送HTTP请求到快递100
     */
    private String sendHttpRequest(String url, Map<String, String> params) {
        // TODO: 实现HTTP请求逻辑
        // 1. 构建POST请求
        // 2. 设置请求头
        // 3. 发送请求
        // 4. 获取响应
        return "";
    }
    
    /**
     * 解析快递100响应数据
     */
    private Map<String, Object> parseResponse(String response) {
        // TODO: 解析JSON响应
        // 1. 检查响应状态
        // 2. 提取物流信息
        // 3. 格式化数据
        return new HashMap<>();
    }
}
